Analysis of Phosphine in food and feed via Headspace-GC-PFPD

Tentamus Agriparadigma - A Tentamus Company

ID: 1559396
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(PresseBox) - Tentamus Agriparadigma, Laboratory based in Ravenna (Italy), has been active for over 30 years in the analysis of pesticide residues in food and feed.

Phosphine is one of the most widely used fumigants. EU legislation sets maximum residue limits for the sum of phosphine and phosphides in foodstuffs within a range of 0.01 to 0.7 mg/kg, depending on the commodity.

For this reason, the laboratory of Tentamus Agriparadigma has developed its own method based on the most recent scientific literature.

The method involves the development of phosphine from the sample by acid treatment and the subsequent determination of the gas by gas chromatography of the head space with a pulsed flame photometric detector and phosphorus filter.

To increase the representativeness of the sample, 100 ml bottles were used which required the use of a customized autosampler. The developed phosphine is taken from the autosampler with a gas syringe and analyzed by gas chromatography with a specific column for the analysis of volatile compounds.

The experts at Tentamus Agriparadigma have decided to use the (pulsed) flame photometry detector with phosphorus filter (PFPD). This particular type of detector is extremely specific.

The result is an extreme sensitivity, the absence of interfering signals and a linear response over a wide concentration range. All the steps have therefore been optimized to allow shorter analysis times and to increase productivity.

The method has been validated on numerous matrices of plant origin in accordance with the SANTE / 12682/2019 guidelines.

The limit of quantification was chosen equal to 3

Accreditation according to ISO 17025:2018 is expected within 2020, which will make Tentamus Agriparadigma the first laboratory of the Group in Italy to have this important parameter accredited.

If you would like more information about this topic, please contact our expert Gian Piero Luciani.



About Tentamus Agriparadigma s.r.l .:

Tentamus Agriparadigma is an analysis laboratory with in-depth experience in performing analyzes on food, feed, water and soil. The laboratory is accredited 17025 by Accredia for the chemical and biological analysis on hundreds of different methods. More info at www.agriparadigma.it

Tentamus Group GmbH was founded in 2011. Tentamus is a global product and safety group with a core presence in Europe, UK, Israel, China, Japan, India and the USA. Accredited and licensed Tentamus Group tests, audits and consults on all products involving the human body (food & feed, pharmaceuticals & medical, agrosciences, cosmetics, agriculture & environment and nutraceutical & supplements). Tentamus Group is represented in over 65 locations worldwide. More than 2,500 highly-trained staff members work in over 2.5 million square feet of laboratory and office spaces. For further information please visit www.tentamus.com.

Tentamus Group

An der Industriebahn 5

13088 Berlin, Germany

www.tentamus.com



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Tentamus Group GmbH was founded in 2011. Tentamus is a global product and safety group with a core presence in Europe, UK, Israel, China, Japan, India and the USA. Accredited and licensed Tentamus Group tests, audits and consults on all products involving the human body (food&feed, pharmaceuticals&medical, agrosciences, cosmetics, agriculture&environment and nutraceutical&supplements). Tentamus Group is represented in over 65 locations worldwide. More than 2,500 highly-trained staff members work in over 2.5 million square feet of laboratory and office spaces. For further information please visit www.tentamus.com.Tentamus GroupAn der Industriebahn 513088 Berlin, Germanywww.tentamus.com

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Date: 07/13/2020 - 03:00
Language: English
News-ID 1559396
Character count: 3070
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Firma: Tentamus Group GmbH
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Stadt: Ravenna, Italy
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